source: GPL/trunk/include/linux/of.h

#ifndef _LINUX_OF_H
#define _LINUX_OF_H
/*
 * Definitions for talking to the Open Firmware PROM on
 * Power Macintosh and other computers.
 *
 * Copyright (C) 1996-2005 Paul Mackerras.
 *
 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
 * Updates for SPARC64 by David S. Miller
 * Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/errno.h>
#include <linux/kobject.h>
#include <linux/mod_devicetable.h>
#include <linux/spinlock.h>
//#include <linux/topology.h>
#include <linux/notifier.h>
//#include <linux/property.h>
#include <linux/list.h>


struct device_node {
        const char *name;
//      phandle phandle;
        const char *full_name;
//      struct fwnode_handle fwnode;

        struct  property *properties;
        struct  property *deadprops;    /* removed properties */
        struct  device_node *parent;
        struct  device_node *child;
        struct  device_node *sibling;
        struct  kobject kobj;
        unsigned long _flags;
        void    *data;
};
struct property {
        char    *name;
        int     length;
        void    *value;
        struct property *next;
        unsigned long _flags;
        unsigned int unique_id;
//      struct bin_attribute attr;
};

static inline struct property *of_find_property(const struct device_node *np,
                                                const char *name,
                                                int *lenp)
{
        return NULL;
}

/**
 * of_property_read_bool - Findfrom a property
 * @np:         device node from which the property value is to be read.
 * @propname:   name of the property to be searched.
 *
 * Search for a property in a device node.
 * Returns true if the property exists false otherwise.
 */
static inline bool of_property_read_bool(const struct device_node *np,
                                         const char *propname)
{
        struct property *prop = of_find_property(np, propname, NULL);

        return prop ? true : false;
}
extern void of_node_put(struct device_node *node);

#endif /* _LINUX_OF_H */